6424331489 has 4 divisors (see below), whose sum is σ = 6483270420. Its totient is φ = 6365392560.

The previous prime is 6424331479. The next prime is 6424331539. The reversal of 6424331489 is 9841334246.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5226133264 + 1198198225 = 72292^2 + 34615^2 .

It is a cyclic number.

It is not a de Polignac number, because 6424331489 - 2²⁰ = 6423282913 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6424331479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29469302 + ... + 29469519.

It is an arithmetic number, because the mean of its divisors is an integer number (1620817605).

Almost surely, 2^6424331489 is an apocalyptic number.

It is an amenable number.

6424331489 is a deficient number, since it is larger than the sum of its proper divisors (58938931).

6424331489 is a wasteful number, since it uses less digits than its factorization.

6424331489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58938930.

The product of its digits is 497664, while the sum is 44.

The square root of 6424331489 is about 80151.9275438838. The cubic root of 6424331489 is about 1858.9854073691.

The spelling of 6424331489 in words is "six billion, four hundred twenty-four million, three hundred thirty-one thousand, four hundred eighty-nine".